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ethidium

ethidium

1 8.9
A chemical dye used to make DNA glow under UV light
  • noun
  • /ˈɛθɪdiəm/
  • Specialized
: etidio
  • The gel was stained with ethidium bromide to visualize the DNA bands during the experiment.
  • ethidium bromide
  • ethidium-stained gel

Examples

  • Following amplification, PCR products were electrophoresed in 1.5% agarose gels stained with ethidium bromide and visualized under ultraviolet light.

    Academic text (2018)
  • Following electrophoresis, the gel was stained for 15 minutes in ethidium bromide solution and destained for 10 minutes in distilled water.

    Academic text (2002)
  • Results were recorded as positive if a 596 bp band was visible on the ethidium-stained gel.

    Academic text (1992)
  • The PCR products were stained with ethidium bromide and examined after electrophoresis through a 1.5% agarose gel.

    Academic text (2012)
  • The amplified product was analyzed by electrophoresis on a 2% agarose gel after ethidium bromide staining.

    Academic text (2012)
  • Amplification products were analyzed after electrophoresis on a 1% agarose gel stained with ethidium bromide.

    Academic text (2012)
  • PCR products were analyzed by electrophoresis on 2% agarose gels, followed by ethidium bromide staining.

    Academic text (1992)
  • PCR products were visualized by electrophoresis through 1.5% (w/v) agarose containing 0.5 mg/L ethidium bromide.

    Academic text (2001)
  • After running the samples, the researchers used ethidium to illuminate the separated DNA fragments.

  • During the analysis, the DNA was clearly visible thanks to the ethidium staining method applied to the gel.

Synonyms

fluorochrome
vsethidium
  • Specialized
1 9.8

A chemical that glows under a microscope to stain cells

is used specifically to visualize DNA in lab research rather than stain specimens generally

Surface Forms

ethidium singular
ethidiums plural

Etymology

Ethidium starts with eth-, the same piece you see in ethanol, and ends with -ium, a common ending for lab chemicals. A helpful way to remember it is to think of ethidium as a small chemical 'dye' that 'lights up' DNA under UV light, which is exactly why scientists use it to stain and see DNA.